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Carbon is crucial for life, forming molecules like glucose, ATP, amino acids, and DNA. The carbon cycle involves plants taking in carbon dioxide, fixing carbon, and creating organic molecules.

Learn how carbon moves through Earth's ecosystems and how human activities are altering the carbon cycle.

Carbon is crucial for life, forming molecules like glucose, ATP, amino acids, and DNA. The carbon cycle involves plants taking in carbon dioxide, fixing carbon, and creating organic molecules.

Trace how carbon moves through the environment via key processes such as photosynthesis, respiration, decomposition, and combustion. Explore how carbon shifts between inorganic and …

Overview and steps of the citric acid cycle, also known as the Krebs cycle or tricarboxylic acid (TCA) cycle.

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The Krebs cycle occurs in the mitochondrial matrix, where pyruvate is turned into acetyl-CoA, which then goes through a series of reactions, producing ATP, NADH, and FADH2.

Introduction to glycolysis. Role of glycolysis in producing ATPs and NADHs and converting glucose to pyruvates.

How does it happen? Similarly to some of the processes in cellular respiration, the molecules that go through the pentose phosphate pathway are mostly made of carbon. The easiest way to understand …